bugs: Internal Lua values may escape through the debug API +

Problems when yielding from debug hooks
This commit is contained in:
Roberto Ierusalimschy 2012-06-11 14:49:37 -03:00
parent cc2a60ecb7
commit 78d9865900

41
bugs
View File

@ -1880,8 +1880,8 @@ patch = [[
+++ lundump.c 2008/04/04 19:51:41 2.7.1.4
@@ -1,5 +1,5 @@
/*
-** $Id: bugs,v 1.113 2012/04/12 16:25:25 roberto Exp roberto $
+** $Id: bugs,v 1.113 2012/04/12 16:25:25 roberto Exp roberto $
-** $Id: bugs,v 1.114 2012/05/11 14:10:28 roberto Exp roberto $
+** $Id: bugs,v 1.114 2012/05/11 14:10:28 roberto Exp roberto $
** load precompiled Lua chunks
** See Copyright Notice in lua.h
*/
@ -2648,6 +2648,43 @@ patch = [[
]]
}
Bug{
what = [[Internal Lua values may escape through the debug API]],
report = [[Dan Tull, 2012/04/20]],
since = [[5.1]],
example = [[
-- for Lua 5.1
local firsttime = true
local function foo ()
if firsttime then
firsttime = false
return "a = 1"
else
for i = 1, 10 do
print(debug.getlocal(2, i))
end
end
end
print(load(foo)) -- prints some lines and then seg. fault.
]],
patch = [[
]]
}
Bug{
what = [[Problems when yielding from debug hooks]],
report = [[Erik Cassel, 2012/06/05]],
since = [[5.2.0]],
example = [[
Set, in C, a line hook that simply yields,
and then call any Lua function.
You get an infinite loop of yields.
]],
patch = [[
]]
}
--[=[
Bug{